MEDIA MOMENT Defense Secretary Robert M. Gates and Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, prepare to testify before a hearing of the Senate Appropriations Committee's defense subcommittee on the Defense Department's fiscal 2012 budget at the Dirksen Senate Office in Washington, D.C., June 15, 2011. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 647254-K-BQG42-575.jpg Photo Gallery